1. The data shows the scores obtained by 33 participants in a quiz.

36 37 37 20 52 11 40 15 25 29 51

40 63 32 45 34 49 68 33 31 41 50

60 59 43 18 44 39 32 64 21 56 13

1. Using Sturge’s Rule, construct a frequency distribution with a cumulative frequency and upper boundary.
2. Draw an ogive for the data.

2. The data below shows the savings, in RM, by a group of 36 pupils in a particular month.

16 26 25 31 35 30 35 37 33 40 21 32 23

38 29 20 41 38 29 22 40 34 28 39 36 34

27 22 44 27 24 31 30 34 33 17

1. Using Sturge’s Rule, construct a frequency distribution with a midpoints.
2. Draw a frequency polygon for the data.